BUNM 77-25: Late Campanian, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Hybodontiformes - Hybodontidae
4 elements
Chondrichthyes - Hybodontiformes - Lonchidiidae
7 elements
10 elements
Chondrichthyes - Rajiformes - Ptychotrygonidae
1 element
Chondrichthyes - Rajiformes - Rhinobatidae
74 elements
Chondrichthyes - Rajiformes
Squatirhina sp. Casier 1947
7 elements
Actinopteri - Elopiformes - Phyllodontidae
cf. Pseudoegertonia sp. Dartevelle and Casier 1949
67 elements
originally entered as "cf. Pseudoegertonia indet."
171 elements
Actinopteri - Lepisosteiformes - Lepisosteidae
71 elements
Actinopteri - Amiiformes - Amiidae
7 elements
401 elements
Mammalia
1 specimen
Reptilia - Chamopsiidae
171 specimens
Reptilia - Testudines - Trionychidae
Reptilia - Testudines - Adocidae
Reptilia - Baenidae
Sullivan et al. 2012
Reptilia - Crocodylia
3 specimens
    = Crocodylia indet. Owen 1842
Alroy 2007
Reptilia - Crocodilia
56 specimens
Reptilia
34 specimens
Reptilia - Dromaeosauridae
2 specimens
Reptilia - Hadrosauridae
42 specimens
Reptilia
1 specimen
Gymnolaemata - Cheilostomata - Electridae
? Conopeum sp. Gray 1848
Bivalvia - Pholadida - Pholadidae
Malacostraca - Decapoda
? Xanthoidea indet. MacLeay 1838
see common names

Geography
Country:United States State/province:New Mexico County:San Juan
Coordinates: 36.3° North, 108.3° West (view map)
Paleocoordinates:46.6° North, 71.2° West (Wright 2013)
Basis of coordinate:stated in text
Altitude:1757 meters
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
Key time interval: Late Campanian
Age range of interval: 83.6 - 72.2 m.y. ago
Stratigraphy
Formation:Fruitland
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: coal
Includes fossils?Y
Lithology description: The locality is about 30m above the base of the Fruitland and approximately 30-40 m below the persistent sandstone body at the top of the Fruitland.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Spatial orientation:random
Articulated whole bodies:none
Associated major elements:none
Collection methods and comments
Collection excludes:all macrofossils
Collection methods:selective quarrying,surface (float),mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:Reptilian egg-shell fragments found
Metadata
Database number:52052
Authorizer:M. Carrano, D. Nicholson, J. Alroy Enterer:K. Maguire, J. Alroy, D. Nicholson
Modifier:M. Carrano Research group:vertebrate
Created:2005-07-15 12:11:56 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-07-15 12:11:56
Creative Commons license:CC0
Reference information

Primary reference:
13834.ETE P. J. Hutchinson and B. S. Kues. 1985. Depositional environments and paleontology of Lewis Shale to lower Kirtland Shale sequence (Upper Cretaceous), Bisti area, northwestern New Mexico. New Mexico Bureau of Mines & Mineral Resources Circular 195:24-54 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
50161 R. M. Sullivan, S. E. Jasinski, and S. G. Lucas. 2012. Re-assessment of Late Campanian (Kirtlandian) turtles from the Upper Cretaceous Fruitland and Kirtland formations, San Juan Basin, New Mexico, USA. In D. B. Brinkman, P. A. Holroyd, J. D. Gardner (eds.), Morphology and Evolution of Turtles 337-387 [D. Nicholson/D. Nicholson/P. Holroyd]